Accessoire – Acrone

Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone | Accessoire - Acrone

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

WELCOME!

SALE

FREE SHIPPING!

Swipe up!

AirPods Pro Protective Case Silicone New Solid Color Apple - Acrone

AirPods Pro Protective Case Silicone New Solid Color Apple

AirPods Pro Protective Case Silicone New Solid Color Apple

€4,99

€4,99

Accessoire

Accessoire

Try it out!

Get our latest Product here:

Slippers Summer, Flat Slippers Unisex Outdoor Indoor

Slippers Summer, Flat Slippers Unisex Outdoor Indoor

Normaler Preis €14,99

Normaler Preis €14,99
Grundpreis pro
Portable Floss Dispenser Includes 10Pcs

Portable Floss Dispenser Includes 10Pcs

Normaler Preis €7,49

Normaler Preis €7,49
Grundpreis pro
USB-C Ladekabel kompatibel mit Smartphone, Tablet & Laptop (ohne Netzadapter)

Ausverkauft

USB-C Ladekabel kompatibel mit Smartphone, Tablet & Laptop (ohne Netzadapter)

Normaler Preis €6,99

Normaler Preis €6,99 Verkaufspreis
Grundpreis pro

Ausverkauft
Magnetisches Kartenetui – Slim Wallet mit Magnetfunktion – kompatibel mit iPhone 12/13/14/15/16/17

Ausverkauft

Magnetisches Kartenetui – Slim Wallet mit Magnetfunktion – kompatibel mit iPhone 12/13/14/15/16/17

Normaler Preis €19,99

Normaler Preis €19,99 Verkaufspreis
Grundpreis pro

Ausverkauft
Handyhülle für iPhone 17 Pro Max

Handyhülle für iPhone 17 Pro Max

Normaler Preis €9,99

Normaler Preis €9,99 Verkaufspreis
Grundpreis €9,99 pro item
Handyhülle für Iphone 17

Handyhülle für Iphone 17

Normaler Preis €9,99

Normaler Preis €9,99 Verkaufspreis
Grundpreis €9,99 pro item
Handyhülle für iPhone 17 Air

Handyhülle für iPhone 17 Air

Normaler Preis €12,99

Normaler Preis €12,99 Verkaufspreis
Grundpreis pro
Handyhülle für iPhone 15 Pro Max

Ausverkauft

Handyhülle für iPhone 15 Pro Max

Normaler Preis €9,99

Normaler Preis €9,99 Verkaufspreis
Grundpreis €9,99 pro item

Ausverkauft
Handyhülle für iPhone 16 Pro Max

Handyhülle für iPhone 16 Pro Max

Normaler Preis €8,99

Normaler Preis €8,99 Verkaufspreis
Grundpreis €8,99 pro item

import { useEffect, useRef } from 'react'; import * as THREE from 'three'; import './LiquidEther.css'; export default function LiquidEther({ mouseForce = 20, cursorSize = 100, isViscous = false, viscous = 30, iterationsViscous = 32, iterationsPoisson = 32, dt = 0.014, BFECC = true, resolution = 0.5, isBounce = false, colors = ['#5227FF', '#FF9FFC', '#B19EEF'], style = {}, className = '', autoDemo = true, autoSpeed = 0.5, autoIntensity = 2.2, takeoverDuration = 0.25, autoResumeDelay = 1000, autoRampDuration = 0.6 }) { const mountRef = useRef(null); const webglRef = useRef(null); const resizeObserverRef = useRef(null); const rafRef = useRef(null); const intersectionObserverRef = useRef(null); const isVisibleRef = useRef(true); const resizeRafRef = useRef(null); useEffect(() => { if (!mountRef.current) return; function makePaletteTexture(stops) { let arr; if (Array.isArray(stops) && stops.length > 0) { if (stops.length === 1) { arr = [stops[0], stops[0]]; } else { arr = stops; } } else { arr = ['#ffffff', '#ffffff']; } const w = arr.length; const data = new Uint8Array(w * 4); for (let i = 0; i < ; i++) { const c = new THREE.Color(arr[i]); data[i * 4 + 0] = Math.round(c.r * 255); data[i * 4 + 1] = Math.round(c.g * 255); data[i * 4 + 2] = Math.round(c.b * 255); data[i * 4 + 3] = 255; } const tex = new THREE.DataTexture(data, w, 1, THREE.RGBAFormat); tex.magFilter = THREE.LinearFilter; tex.minFilter = THREE.LinearFilter; tex.wrapS = THREE.ClampToEdgeWrapping; tex.wrapT = THREE.ClampToEdgeWrapping; tex.generateMipmaps = false; tex.needsUpdate = true; return tex; } const paletteTex = makePaletteTexture(colors); const bgVec4 = new THREE.Vector4(0, 0, 0, 0); // always transparent class CommonClass { constructor() { this.width = 0; this.height = 0; this.aspect = 1; this.pixelRatio = 1; this.isMobile = false; this.breakpoint = 768; this.fboWidth = null; this.fboHeight = null; this.time = 0; this.delta = 0; this.container = null; this.renderer = null; this.clock = null; } init(container) { this.container = container; this.pixelRatio = Math.min(window.devicePixelRatio || 1, 2); this.resize(); this.renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); this.renderer.autoClear = false; this.renderer.setClearColor(new THREE.Color(0x000000), 0); this.renderer.setPixelRatio(this.pixelRatio); this.renderer.setSize(this.width, this.height); this.renderer.domElement.style.width = '100%'; this.renderer.domElement.style.height = '100%'; this.renderer.domElement.style.display = 'block'; this.clock = new THREE.Clock(); this.clock.start(); } resize() { if (!this.container) return; const rect = this.container.getBoundingClientRect(); this.width = Math.max(1, Math.floor(rect.width)); this.height = Math.max(1, Math.floor(rect.height)); this.aspect = this.width / this.height; if (this.renderer) this.renderer.setSize(this.width, this.height, false); } update() { this.delta = this.clock.getDelta(); this.time += this.delta; } } const Common = new CommonClass(); class MouseClass { constructor() { this.mouseMoved = false; this.coords = new THREE.Vector2(); this.coords_old = new THREE.Vector2(); this.diff = new THREE.Vector2(); this.timer = null; this.container = null; this._onMouseMove = this.onDocumentMouseMove.bind(this); this._onTouchStart = this.onDocumentTouchStart.bind(this); this._onTouchMove = this.onDocumentTouchMove.bind(this); this._onMouseEnter = this.onMouseEnter.bind(this); this._onMouseLeave = this.onMouseLeave.bind(this); this._onTouchEnd = this.onTouchEnd.bind(this); this.isHoverInside = false; this.hasUserControl = false; this.isAutoActive = false; this.autoIntensity = 2.0; this.takeoverActive = false; this.takeoverStartTime = 0; this.takeoverDuration = 0.25; this.takeoverFrom = new THREE.Vector2(); this.takeoverTo = new THREE.Vector2(); this.onInteract = null; } init(container) { this.container = container; container.addEventListener('mousemove', this._onMouseMove, false); container.addEventListener('touchstart', this._onTouchStart, false); container.addEventListener('touchmove', this._onTouchMove, false); container.addEventListener('mouseenter', this._onMouseEnter, false); container.addEventListener('mouseleave', this._onMouseLeave, false); container.addEventListener('touchend', this._onTouchEnd, false); } dispose() { if (!this.container) return; this.container.removeEventListener('mousemove', this._onMouseMove, false); this.container.removeEventListener('touchstart', this._onTouchStart, false); this.container.removeEventListener('touchmove', this._onTouchMove, false); this.container.removeEventListener('mouseenter', this._onMouseEnter, false); this.container.removeEventListener('mouseleave', this._onMouseLeave, false); this.container.removeEventListener('touchend', this._onTouchEnd, false); } setCoords(x, y) { if (!this.container) return; if (this.timer) clearTimeout(this.timer); const rect = this.container.getBoundingClientRect(); const nx = (x - rect.left) / rect.width; const ny = (y - rect.top) / rect.height; this.coords.set(nx * 2 - 1, -(ny * 2 - 1)); this.mouseMoved = true; this.timer = setTimeout(() => { this.mouseMoved = false; }, 100); } setNormalized(nx, ny) { this.coords.set(nx, ny); this.mouseMoved = true; } onDocumentMouseMove(event) { if (this.onInteract) this.onInteract(); if (this.isAutoActive && !this.hasUserControl && !this.takeoverActive) { const rect = this.container.getBoundingClientRect(); const nx = (event.clientX - rect.left) / rect.width; const ny = (event.clientY - rect.top) / rect.height; this.takeoverFrom.copy(this.coords); this.takeoverTo.set(nx * 2 - 1, -(ny * 2 - 1)); this.takeoverStartTime = performance.now(); this.takeoverActive = true; this.hasUserControl = true; this.isAutoActive = false; return; } this.setCoords(event.clientX, event.clientY); this.hasUserControl = true; } onDocumentTouchStart(event) { if (event.touches.length === 1) { const t = event.touches[0]; if (this.onInteract) this.onInteract(); this.setCoords(t.pageX, t.pageY); this.hasUserControl = true; } } onDocumentTouchMove(event) { if (event.touches.length === 1) { const t = event.touches[0]; if (this.onInteract) this.onInteract(); this.setCoords(t.pageX, t.pageY); } } onTouchEnd() { this.isHoverInside = false; } onMouseEnter() { this.isHoverInside = true; } onMouseLeave() { this.isHoverInside = false; } update() { if (this.takeoverActive) { const t = (performance.now() - this.takeoverStartTime) / (this.takeoverDuration * 1000); if (t >= 1) { this.takeoverActive = false; this.coords.copy(this.takeoverTo); this.coords_old.copy(this.coords); this.diff.set(0, 0); } else { const k = t * t * (3 - 2 * t); this.coords.copy(this.takeoverFrom).lerp(this.takeoverTo, k); } } this.diff.subVectors(this.coords, this.coords_old); this.coords_old.copy(this.coords); if (this.coords_old.x === 0 && this.coords_old.y === 0) this.diff.set(0, 0); if (this.isAutoActive && !this.takeoverActive) this.diff.multiplyScalar(this.autoIntensity); } } const Mouse = new MouseClass(); class AutoDriver { constructor(mouse, manager, opts) { this.mouse = mouse; this.manager = manager; this.enabled = opts.enabled; this.speed = opts.speed; // normalized units/sec this.resumeDelay = opts.resumeDelay || 3000; // ms this.rampDurationMs = (opts.rampDuration || 0) * 1000; this.active = false; this.current = new THREE.Vector2(0, 0); this.target = new THREE.Vector2(); this.lastTime = performance.now(); this.activationTime = 0; this.margin = 0.2; this._tmpDir = new THREE.Vector2(); // reuse temp vector to avoid per-frame alloc this.pickNewTarget(); } pickNewTarget() { const r = Math.random; this.target.set((r() * 2 - 1) * (1 - this.margin), (r() * 2 - 1) * (1 - this.margin)); } forceStop() { this.active = false; this.mouse.isAutoActive = false; } update() { if (!this.enabled) return; const now = performance.now(); const idle = now - this.manager.lastUserInteraction; if (idle < this.resumeDelay) { if (this.active) this.forceStop(); return; } if (this.mouse.isHoverInside) { if (this.active) this.forceStop(); return; } if (!this.active) { this.active = true; this.current.copy(this.mouse.coords); this.lastTime = now; this.activationTime = now; } if (!this.active) return; this.mouse.isAutoActive = true; let dtSec = (now - this.lastTime) / 1000; this.lastTime = now; if (dtSec > 0.2) dtSec = 0.016; const dir = this._tmpDir.subVectors(this.target, this.current); const dist = dir.length(); if (dist < 0.01) { this.pickNewTarget(); return; } dir.normalize(); let ramp = 1; if (this.rampDurationMs > 0) { const t = Math.min(1, (now - this.activationTime) / this.rampDurationMs); ramp = t * t * (3 - 2 * t); } const step = this.speed * dtSec * ramp; const move = Math.min(step, dist); this.current.addScaledVector(dir, move); this.mouse.setNormalized(this.current.x, this.current.y); } } const face_vert = ` attribute vec3 position; uniform vec2 px; uniform vec2 boundarySpace; varying vec2 uv; precision highp float; void main(){ vec3 pos = position; vec2 scale = 1.0 - boundarySpace * 2.0; pos.xy = pos.xy * scale; uv = vec2(0.5)+(pos.xy)*0.5; gl_Position = vec4(pos, 1.0); } `; const line_vert = ` attribute vec3 position; uniform vec2 px; precision highp float; varying vec2 uv; void main(){ vec3 pos = position; uv = 0.5 + pos.xy * 0.5; vec2 n = sign(pos.xy); pos.xy = abs(pos.xy) - px * 1.0; pos.xy *= n; gl_Position = vec4(pos, 1.0); } `; const mouse_vert = ` precision highp float; attribute vec3 position; attribute vec2 uv; uniform vec2 center; uniform vec2 scale; uniform vec2 px; varying vec2 vUv; void main(){ vec2 pos = position.xy * scale * 2.0 * px + center; vUv = uv; gl_Position = vec4(pos, 0.0, 1.0); } `; const advection_frag = ` precision highp float; uniform sampler2D velocity; uniform float dt; uniform bool isBFECC; uniform vec2 fboSize; uniform vec2 px; varying vec2 uv; void main(){ vec2 ratio = max(fboSize.x, fboSize.y) / fboSize; if(isBFECC == false){ vec2 vel = texture2D(velocity, uv).xy; vec2 uv2 = uv - vel * dt * ratio; vec2 newVel = texture2D(velocity, uv2).xy; gl_FragColor = vec4(newVel, 0.0, 0.0); } else { vec2 spot_new = uv; vec2 vel_old = texture2D(velocity, uv).xy; vec2 spot_old = spot_new - vel_old * dt * ratio; vec2 vel_new1 = texture2D(velocity, spot_old).xy; vec2 spot_new2 = spot_old + vel_new1 * dt * ratio; vec2 error = spot_new2 - spot_new; vec2 spot_new3 = spot_new - error / 2.0; vec2 vel_2 = texture2D(velocity, spot_new3).xy; vec2 spot_old2 = spot_new3 - vel_2 * dt * ratio; vec2 newVel2 = texture2D(velocity, spot_old2).xy; gl_FragColor = vec4(newVel2, 0.0, 0.0); } } `; const color_frag = ` precision highp float; uniform sampler2D velocity; uniform sampler2D palette; uniform vec4 bgColor; varying vec2 uv; void main(){ vec2 vel = texture2D(velocity, uv).xy; float lenv = clamp(length(vel), 0.0, 1.0); vec3 c = texture2D(palette, vec2(lenv, 0.5)).rgb; vec3 outRGB = mix(bgColor.rgb, c, lenv); float outA = mix(bgColor.a, 1.0, lenv); gl_FragColor = vec4(outRGB, outA); } `; const divergence_frag = ` precision highp float; uniform sampler2D velocity; uniform float dt; uniform vec2 px; varying vec2 uv; void main(){ float x0 = texture2D(velocity, uv-vec2(px.x, 0.0)).x; float x1 = texture2D(velocity, uv+vec2(px.x, 0.0)).x; float y0 = texture2D(velocity, uv-vec2(0.0, px.y)).y; float y1 = texture2D(velocity, uv+vec2(0.0, px.y)).y; float divergence = (x1 - x0 + y1 - y0) / 2.0; gl_FragColor = vec4(divergence / dt); } `; const externalForce_frag = ` precision highp float; uniform vec2 force; uniform vec2 center; uniform vec2 scale; uniform vec2 px; varying vec2 vUv; void main(){ vec2 circle = (vUv - 0.5) * 2.0; float d = 1.0 - min(length(circle), 1.0); d *= d; gl_FragColor = vec4(force * d, 0.0, 1.0); } `; const poisson_frag = ` precision highp float; uniform sampler2D pressure; uniform sampler2D divergence; uniform vec2 px; varying vec2 uv; void main(){ float p0 = texture2D(pressure, uv + vec2(px.x * 2.0, 0.0)).r; float p1 = texture2D(pressure, uv - vec2(px.x * 2.0, 0.0)).r; float p2 = texture2D(pressure, uv + vec2(0.0, px.y * 2.0)).r; float p3 = texture2D(pressure, uv - vec2(0.0, px.y * 2.0)).r; float div = texture2D(divergence, uv).r; float newP = (p0 + p1 + p2 + p3) / 4.0 - div; gl_FragColor = vec4(newP); } `; const pressure_frag = ` precision highp float; uniform sampler2D pressure; uniform sampler2D velocity; uniform vec2 px; uniform float dt; varying vec2 uv; void main(){ float step = 1.0; float p0 = texture2D(pressure, uv + vec2(px.x * step, 0.0)).r; float p1 = texture2D(pressure, uv - vec2(px.x * step, 0.0)).r; float p2 = texture2D(pressure, uv + vec2(0.0, px.y * step)).r; float p3 = texture2D(pressure, uv - vec2(0.0, px.y * step)).r; vec2 v = texture2D(velocity, uv).xy; vec2 gradP = vec2(p0 - p1, p2 - p3) * 0.5; v = v - gradP * dt; gl_FragColor = vec4(v, 0.0, 1.0); } `; const viscous_frag = ` precision highp float; uniform sampler2D velocity; uniform sampler2D velocity_new; uniform float v; uniform vec2 px; uniform float dt; varying vec2 uv; void main(){ vec2 old = texture2D(velocity, uv).xy; vec2 new0 = texture2D(velocity_new, uv + vec2(px.x * 2.0, 0.0)).xy; vec2 new1 = texture2D(velocity_new, uv - vec2(px.x * 2.0, 0.0)).xy; vec2 new2 = texture2D(velocity_new, uv + vec2(0.0, px.y * 2.0)).xy; vec2 new3 = texture2D(velocity_new, uv - vec2(0.0, px.y * 2.0)).xy; vec2 newv = 4.0 * old + v * dt * (new0 + new1 + new2 + new3); newv /= 4.0 * (1.0 + v * dt); gl_FragColor = vec4(newv, 0.0, 0.0); } `; class ShaderPass { constructor(props) { this.props = props || {}; this.uniforms = this.props.material?.uniforms; this.scene = null; this.camera = null; this.material = null; this.geometry = null; this.plane = null; } init() { this.scene = new THREE.Scene(); this.camera = new THREE.Camera(); if (this.uniforms) { this.material = new THREE.RawShaderMaterial(this.props.material); this.geometry = new THREE.PlaneGeometry(2.0, 2.0); this.plane = new THREE.Mesh(this.geometry, this.material); this.scene.add(this.plane); } } update() { Common.renderer.setRenderTarget(this.props.output || null); Common.renderer.render(this.scene, this.camera); Common.renderer.setRenderTarget(null); } } class Advection extends ShaderPass { constructor(simProps) { super({ material: { vertexShader: face_vert, fragmentShader: advection_frag, uniforms: { boundarySpace: { value: simProps.cellScale }, px: { value: simProps.cellScale }, fboSize: { value: simProps.fboSize }, velocity: { value: simProps.src.texture }, dt: { value: simProps.dt }, isBFECC: { value: true } } }, output: simProps.dst }); this.uniforms = this.props.material.uniforms; this.init(); } init() { super.init(); this.createBoundary(); } createBoundary() { const boundaryG = new THREE.BufferGeometry(); const vertices_boundary = new Float32Array([ -1, -1, 0, -1, 1, 0, -1, 1, 0, 1, 1, 0, 1, 1, 0, 1, -1, 0, 1, -1, 0, -1, -1, 0 ]); boundaryG.setAttribute('position', new THREE.BufferAttribute(vertices_boundary, 3)); const boundaryM = new THREE.RawShaderMaterial({ vertexShader: line_vert, fragmentShader: advection_frag, uniforms: this.uniforms }); this.line = new THREE.LineSegments(boundaryG, boundaryM); this.scene.add(this.line); } update({ dt, isBounce, BFECC }) { this.uniforms.dt.value = dt; this.line.visible = isBounce; this.uniforms.isBFECC.value = BFECC; super.update(); } } class ExternalForce extends ShaderPass { constructor(simProps) { super({ output: simProps.dst }); this.init(simProps); } init(simProps) { super.init(); const mouseG = new THREE.PlaneGeometry(1, 1); const mouseM = new THREE.RawShaderMaterial({ vertexShader: mouse_vert, fragmentShader: externalForce_frag, blending: THREE.AdditiveBlending, depthWrite: false, uniforms: { px: { value: simProps.cellScale }, force: { value: new THREE.Vector2(0.0, 0.0) }, center: { value: new THREE.Vector2(0.0, 0.0) }, scale: { value: new THREE.Vector2(simProps.cursor_size, simProps.cursor_size) } } }); this.mouse = new THREE.Mesh(mouseG, mouseM); this.scene.add(this.mouse); } update(props) { const forceX = (Mouse.diff.x / 2) * props.mouse_force; const forceY = (Mouse.diff.y / 2) * props.mouse_force; const cursorSizeX = props.cursor_size * props.cellScale.x; const cursorSizeY = props.cursor_size * props.cellScale.y; const centerX = Math.min( Math.max(Mouse.coords.x, -1 + cursorSizeX + props.cellScale.x * 2), 1 - cursorSizeX - props.cellScale.x * 2 ); const centerY = Math.min( Math.max(Mouse.coords.y, -1 + cursorSizeY + props.cellScale.y * 2), 1 - cursorSizeY - props.cellScale.y * 2 ); const uniforms = this.mouse.material.uniforms; uniforms.force.value.set(forceX, forceY); uniforms.center.value.set(centerX, centerY); uniforms.scale.value.set(props.cursor_size, props.cursor_size); super.update(); } } class Viscous extends ShaderPass { constructor(simProps) { super({ material: { vertexShader: face_vert, fragmentShader: viscous_frag, uniforms: { boundarySpace: { value: simProps.boundarySpace }, velocity: { value: simProps.src.texture }, velocity_new: { value: simProps.dst_.texture }, v: { value: simProps.viscous }, px: { value: simProps.cellScale }, dt: { value: simProps.dt } } }, output: simProps.dst, output0: simProps.dst_, output1: simProps.dst }); this.init(); } update({ viscous, iterations, dt }) { let fbo_in, fbo_out; this.uniforms.v.value = viscous; for (let i = 0; i < iterations; i++) { if (i % 2 === 0) { fbo_in = this.props.output0; fbo_out = this.props.output1; } else { fbo_in = this.props.output1; fbo_out = this.props.output0; } this.uniforms.velocity_new.value = fbo_in.texture; this.props.output = fbo_out; this.uniforms.dt.value = dt; super.update(); } return fbo_out; } } class Divergence extends ShaderPass { constructor(simProps) { super({ material: { vertexShader: face_vert, fragmentShader: divergence_frag, uniforms: { boundarySpace: { value: simProps.boundarySpace }, velocity: { value: simProps.src.texture }, px: { value: simProps.cellScale }, dt: { value: simProps.dt } } }, output: simProps.dst }); this.init(); } update({ vel }) { this.uniforms.velocity.value = vel.texture; super.update(); } } class Poisson extends ShaderPass { constructor(simProps) { super({ material: { vertexShader: face_vert, fragmentShader: poisson_frag, uniforms: { boundarySpace: { value: simProps.boundarySpace }, pressure: { value: simProps.dst_.texture }, divergence: { value: simProps.src.texture }, px: { value: simProps.cellScale } } }, output: simProps.dst, output0: simProps.dst_, output1: simProps.dst }); this.init(); } update({ iterations }) { let p_in, p_out; for (let i = 0; i < iterations; i++) { if (i % 2 === 0) { p_in = this.props.output0; p_out = this.props.output1; } else { p_in = this.props.output1; p_out = this.props.output0; } this.uniforms.pressure.value = p_in.texture; this.props.output = p_out; super.update(); } return p_out; } } class Pressure extends ShaderPass { constructor(simProps) { super({ material: { vertexShader: face_vert, fragmentShader: pressure_frag, uniforms: { boundarySpace: { value: simProps.boundarySpace }, pressure: { value: simProps.src_p.texture }, velocity: { value: simProps.src_v.texture }, px: { value: simProps.cellScale }, dt: { value: simProps.dt } } }, output: simProps.dst }); this.init(); } update({ vel, pressure }) { this.uniforms.velocity.value = vel.texture; this.uniforms.pressure.value = pressure.texture; super.update(); } } class Simulation { constructor(options) { this.options = { iterations_poisson: 32, iterations_viscous: 32, mouse_force: 20, resolution: 0.5, cursor_size: 100, viscous: 30, isBounce: false, dt: 0.014, isViscous: false, BFECC: true, ...options }; this.fbos = { vel_0: null, vel_1: null, vel_viscous0: null, vel_viscous1: null, div: null, pressure_0: null, pressure_1: null }; this.fboSize = new THREE.Vector2(); this.cellScale = new THREE.Vector2(); this.boundarySpace = new THREE.Vector2(); this.init(); } init() { this.calcSize(); this.createAllFBO(); this.createShaderPass(); } getFloatType() { const isIOS = /(iPad|iPhone|iPod)/i.test(navigator.userAgent); return isIOS ? THREE.HalfFloatType : THREE.FloatType; } createAllFBO() { const type = this.getFloatType(); const opts = { type, depthBuffer: false, stencilBuffer: false, minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, wrapS: THREE.ClampToEdgeWrapping, wrapT: THREE.ClampToEdgeWrapping }; for (let key in this.fbos) { this.fbos[key] = new THREE.WebGLRenderTarget(this.fboSize.x, this.fboSize.y, opts); } } createShaderPass() { this.advection = new Advection({ cellScale: this.cellScale, fboSize: this.fboSize, dt: this.options.dt, src: this.fbos.vel_0, dst: this.fbos.vel_1 }); this.externalForce = new ExternalForce({ cellScale: this.cellScale, cursor_size: this.options.cursor_size, dst: this.fbos.vel_1 }); this.viscous = new Viscous({ cellScale: this.cellScale, boundarySpace: this.boundarySpace, viscous: this.options.viscous, src: this.fbos.vel_1, dst: this.fbos.vel_viscous1, dst_: this.fbos.vel_viscous0, dt: this.options.dt }); this.divergence = new Divergence({ cellScale: this.cellScale, boundarySpace: this.boundarySpace, src: this.fbos.vel_viscous0, dst: this.fbos.div, dt: this.options.dt }); this.poisson = new Poisson({ cellScale: this.cellScale, boundarySpace: this.boundarySpace, src: this.fbos.div, dst: this.fbos.pressure_1, dst_: this.fbos.pressure_0 }); this.pressure = new Pressure({ cellScale: this.cellScale, boundarySpace: this.boundarySpace, src_p: this.fbos.pressure_0, src_v: this.fbos.vel_viscous0, dst: this.fbos.vel_0, dt: this.options.dt }); } calcSize() { const width = Math.max(1, Math.round(this.options.resolution * Common.width)); const height = Math.max(1, Math.round(this.options.resolution * Common.height)); const px_x = 1.0 / width; const px_y = 1.0 / height; this.cellScale.set(px_x, px_y); this.fboSize.set(width, height); } resize() { this.calcSize(); for (let key in this.fbos) { this.fbos[key].setSize(this.fboSize.x, this.fboSize.y); } } update() { if (this.options.isBounce) { this.boundarySpace.set(0, 0); } else { this.boundarySpace.copy(this.cellScale); } this.advection.update({ dt: this.options.dt, isBounce: this.options.isBounce, BFECC: this.options.BFECC }); this.externalForce.update({ cursor_size: this.options.cursor_size, mouse_force: this.options.mouse_force, cellScale: this.cellScale }); let vel = this.fbos.vel_1; if (this.options.isViscous) { vel = this.viscous.update({ viscous: this.options.viscous, iterations: this.options.iterations_viscous, dt: this.options.dt }); } this.divergence.update({ vel }); const pressure = this.poisson.update({ iterations: this.options.iterations_poisson }); this.pressure.update({ vel, pressure }); } } class Output { constructor() { this.init(); } init() { this.simulation = new Simulation(); this.scene = new THREE.Scene(); this.camera = new THREE.Camera(); this.output = new THREE.Mesh( new THREE.PlaneGeometry(2, 2), new THREE.RawShaderMaterial({ vertexShader: face_vert, fragmentShader: color_frag, transparent: true, depthWrite: false, uniforms: { velocity: { value: this.simulation.fbos.vel_0.texture }, boundarySpace: { value: new THREE.Vector2() }, palette: { value: paletteTex }, bgColor: { value: bgVec4 } } }) ); this.scene.add(this.output); } addScene(mesh) { this.scene.add(mesh); } resize() { this.simulation.resize(); } render() { Common.renderer.setRenderTarget(null); Common.renderer.render(this.scene, this.camera); } update() { this.simulation.update(); this.render(); } } class WebGLManager { constructor(props) { this.props = props; Common.init(props.$wrapper); Mouse.init(props.$wrapper); Mouse.autoIntensity = props.autoIntensity; Mouse.takeoverDuration = props.takeoverDuration; this.lastUserInteraction = performance.now(); Mouse.onInteract = () => { this.lastUserInteraction = performance.now(); if (this.autoDriver) this.autoDriver.forceStop(); }; this.autoDriver = new AutoDriver(Mouse, this, { enabled: props.autoDemo, speed: props.autoSpeed, resumeDelay: props.autoResumeDelay, rampDuration: props.autoRampDuration }); this.init(); this._loop = this.loop.bind(this); this._resize = this.resize.bind(this); window.addEventListener('resize', this._resize); this._onVisibility = () => { const hidden = document.hidden; if (hidden) { this.pause(); } else if (isVisibleRef.current) { this.start(); } }; document.addEventListener('visibilitychange', this._onVisibility); this.running = false; } init() { this.props.$wrapper.prepend(Common.renderer.domElement); this.output = new Output(); } resize() { Common.resize(); this.output.resize(); } render() { if (this.autoDriver) this.autoDriver.update(); Mouse.update(); Common.update(); this.output.update(); } loop() { if (!this.running) return; // safety this.render(); rafRef.current = requestAnimationFrame(this._loop); } start() { if (this.running) return; this.running = true; this._loop(); } pause() { this.running = false; if (rafRef.current) { cancelAnimationFrame(rafRef.current); rafRef.current = null; } } dispose() { try { window.removeEventListener('resize', this._resize); document.removeEventListener('visibilitychange', this._onVisibility); Mouse.dispose(); if (Common.renderer) { const canvas = Common.renderer.domElement; if (canvas && canvas.parentNode) canvas.parentNode.removeChild(canvas); Common.renderer.dispose(); } } catch (e) { void 0; } } } const container = mountRef.current; container.style.position = container.style.position || 'relative'; container.style.overflow = container.style.overflow || 'hidden'; const webgl = new WebGLManager({ $wrapper: container, autoDemo, autoSpeed, autoIntensity, takeoverDuration, autoResumeDelay, autoRampDuration }); webglRef.current = webgl; const applyOptionsFromProps = () => { if (!webglRef.current) return; const sim = webglRef.current.output?.simulation; if (!sim) return; const prevRes = sim.options.resolution; Object.assign(sim.options, { mouse_force: mouseForce, cursor_size: cursorSize, isViscous, viscous, iterations_viscous: iterationsViscous, iterations_poisson: iterationsPoisson, dt, BFECC, resolution, isBounce }); if (resolution !== prevRes) { sim.resize(); } }; applyOptionsFromProps(); webgl.start(); // IntersectionObserver to pause rendering when not visible const io = new IntersectionObserver( entries => { const entry = entries[0]; const isVisible = entry.isIntersecting && entry.intersectionRatio > 0; isVisibleRef.current = isVisible; if (!webglRef.current) return; if (isVisible && !document.hidden) { webglRef.current.start(); } else { webglRef.current.pause(); } }, { threshold: [0, 0.01, 0.1] } ); io.observe(container); intersectionObserverRef.current = io; const ro = new ResizeObserver(() => { if (!webglRef.current) return; if (resizeRafRef.current) cancelAnimationFrame(resizeRafRef.current); resizeRafRef.current = requestAnimationFrame(() => { if (!webglRef.current) return; webglRef.current.resize(); }); }); ro.observe(container); resizeObserverRef.current = ro; return () => { if (rafRef.current) cancelAnimationFrame(rafRef.current); if (resizeObserverRef.current) { try { resizeObserverRef.current.disconnect(); } catch (e) { void 0; } } if (intersectionObserverRef.current) { try { intersectionObserverRef.current.disconnect(); } catch (e) { void 0; } } if (webglRef.current) { webglRef.current.dispose(); } webglRef.current = null; }; }, [ BFECC, cursorSize, dt, isBounce, isViscous, iterationsPoisson, iterationsViscous, mouseForce, resolution, viscous, colors, autoDemo, autoSpeed, autoIntensity, takeoverDuration, autoResumeDelay, autoRampDuration ]); useEffect(() => { const webgl = webglRef.current; if (!webgl) return; const sim = webgl.output?.simulation; if (!sim) return; const prevRes = sim.options.resolution; Object.assign(sim.options, { mouse_force: mouseForce, cursor_size: cursorSize, isViscous, viscous, iterations_viscous: iterationsViscous, iterations_poisson: iterationsPoisson, dt, BFECC, resolution, isBounce }); if (webgl.autoDriver) { webgl.autoDriver.enabled = autoDemo; webgl.autoDriver.speed = autoSpeed; webgl.autoDriver.resumeDelay = autoResumeDelay; webgl.autoDriver.rampDurationMs = autoRampDuration * 1000; if (webgl.autoDriver.mouse) { webgl.autoDriver.mouse.autoIntensity = autoIntensity; webgl.autoDriver.mouse.takeoverDuration = takeoverDuration; } } if (resolution !== prevRes) { sim.resize(); } }, [ mouseForce, cursorSize, isViscous, viscous, iterationsViscous, iterationsPoisson, dt, BFECC, resolution, isBounce, autoDemo, autoSpeed, autoIntensity, takeoverDuration, autoResumeDelay, autoRampDuration ]); return

; }